Automotive electrical systems
More informationAt Global Parts, we offer a wide selection of original used car parts, including automotive electrical systems for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen, and others. Each of our car parts undergoes quality control to ensure you receive a top-quality product.
Make
Category
Subcategory
Condition
In Stock
Price

-5%
Part no. 9280185
Air Module BMW F10 F11 F01 F02 F03 LCI Control Unit ECU 9280185
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00

-15%
Part no. 8586540
BMW F30 F32 LCI 330d 430d N57N 258HP Engine Control Unit Module ECU DDE 8586540
Promo price
€94.95
€80.71
Free delivery - Thu, Nov 06
If paid before 14:00

-5%
Part no. 7540203
BMW X5 Series E70 Control Unit DME Module Emergency Release Lock 7582630
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00

-15%
Part no. 8A0937530
Audi A6 C6 Fuse Relay Box Module Unit Holder Bracket 8A0937530
Promo price
€32.95
€28.01
Free delivery - Thu, Nov 06
If paid before 14:00

Part no. A2479004505-1
Mercedes Vito W447 Sprinter W907 W910 Telematics Module Control Unit A2479004505
€37.95
Free delivery - Thu, Nov 06
If paid before 14:00

-5%
Part no. 4H0035225
Audi A8L 4H Aerial Antenna Amplifier AMP Booster Module 4H0035225
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00

-15%
Part no. 7520019-5
MINI Cooper S R52 R53 W11 170HP Engine Control Unit ECU DME 7520019 Manual
Promo price
€47.95
€40.76
Free delivery - Thu, Nov 06
If paid before 14:00

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Part no. 9276064
BMW X3 F25 Antenna Aerial Diversity Amplifier Unit 868 MHZ 9276064
Promo price
€28.95
€24.61
Free delivery - Thu, Nov 06
If paid before 14:00

-5%
Part no. 7607454
Battery Insert BMW F13 F12 F06 Battery Crashpad Foam Insulator 7607454
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00

-40%
Part no. A2479002707
Communication Module Mercedes W177 W247 Hermes LTE Control Unit A2479002707
Promo price
€51.95
€31.17
Free delivery - Thu, Nov 06
If paid before 14:00

-5%
Part no. A2709060500
Ignition Coil Mercedes W176 W204 C207 W212 Petrol Cable Connector A2709060500
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00

-5%
Part no. 3419515
BMW E83 LCI Valvetronic Starter Cable Wire Loom 3419515
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00

-15%
Part no. A2129004910
Radio Head Unit Mercedes W212 CD Audio Player Head Control Unit A2129004910
Promo price
€118.95
€101.11
Free delivery - Thu, Nov 06
If paid before 14:00

-40%
Part no. 2706050200
Lexus LS400 1UZFE V8 Petrol Engine Alternator Generator Denso 2706050200
Promo price
€170.95
€102.57
Free delivery - Thu, Nov 06
If paid before 14:00

-15%
Part no. 7789225
BMW E65 E66 730d M57N Diesel Cable Starter-Base B+ 7789225
Promo price
€28.95
€24.61
Free delivery - Thu, Nov 06
If paid before 14:00

-15%
Part no. 5G0971104L
VW Volkswagen Golf Mk7 Wiring Loom PDC Rear Harness Parking Sensor 5G0971104L
Promo price
€28.95
€24.61
Free delivery - Thu, Nov 06
If paid before 14:00

Part no. A1695400132
Cable Wiring Mercedes W245 Fuel Pump Sending Unit Plug Socket A1695400132
€23.95
Free delivery - Thu, Nov 06
If paid before 14:00

-5%
Part no. 1742690
BMW E60 E63 E87 E90 Relay Changer Make Contact Salmon Red 1742690
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00

-15%
Part no. 7531809
Mini Cooper One R50 R52 Automatic Gearbox Transmission Signal Control Module
Promo price
€37.95
€32.26
Free delivery - Thu, Nov 06
If paid before 14:00

-5%
Part no. 7571142-1
Mini Cooper R55 R56 R57 Battery Cable Wiring Lead Power Positive 7571142
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00

-15%
Part no. 3C0971228K
Battery Cable Volkswagen VW Golf Mk6 VI Positive Plus Pole Lead 3C0971228K
Promo price
€32.95
€28.01
Free delivery - Thu, Nov 06
If paid before 14:00

Part no. 8T0959792Q
Audi A5 8T Front Door Control Module Passenger Side 8T0959792Q
€23.95
Free delivery - Thu, Nov 06
If paid before 14:00

-15%
Part no. A9075401205
Mercedes W907 Starter Wiring Battery Alternator Cable Harness Loom A9075401205
Promo price
€32.95
€28.01
Free delivery - Thu, Nov 06
If paid before 14:00

-15%
Part no. 9312768
BMW F06 F07 F10 F11 Comfort Module Body Control Unit Module BCM Unit ECU 9312768
Promo price
€28.95
€24.61
Free delivery - Thu, Nov 06
If paid before 14:00

-5%
Part no. A1669008009
Mercedes GLE W166 Rear Door Wiring Control Module Right O/S Unit ECU A1669008009
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00

-5%
Part no. 6950374
Door Cable BMW E65 Loom Rear Right O/S Wiring Harness 6950349
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00

-5%
Part no. A2055457200
Mercedes W205 Radio Stereo Head Unit Mount Bracket Holder Support A2055457200
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00

-15%
Part no. A9065454701
Mercedes W906 Fuse Box Relay Control Unit Electric Module A9065454701
Promo price
€37.95
€32.26
Free delivery - Thu, Nov 06
If paid before 14:00

Part no. 7259877
Third Stoplamp Cover BMW F30 F80 M3 Rear Stop Lamp Brake Trim 7259877
€23.95
Free delivery - Thu, Nov 06
If paid before 14:00

-40%
Part no. A6291501779
ECU Mercedes X164 Diesel OM629.912 Engine Control Module 306 HP Automatic
Promo price
€104.95
€62.97
Free delivery - Thu, Nov 06
If paid before 14:00

-5%
Part no. 3413934-2
BMW X3 E83 Rear Bumper Wiring Loom PDC Harness 1452049
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00

-5%
Part no. 9210860
BMW X3 F25 Rear Fuse Box Power Distribution Control Unit Box 9210860
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00

-5%
Part no. 6988965
BMW E81 E87 E90 LCI PDC Parking Ultrasonic Sensor Spacegrau 6988965
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00

-40%
Part no. 9230680
BMW Mini Cooper One R55 R56 R57 CD Changer 6 Disc Player 9167081
Promo price
€70.95
€42.57
Free delivery - Thu, Nov 06
If paid before 14:00

-15%
Part no. 4280002630
Toyota Hilux Vigo Engine Starter Motor Assembly Unit 03L911024A
Promo price
€37.95
€32.26
Free delivery - Thu, Nov 06
If paid before 14:00

-15%
Part no. 9354289
BMW F45 F46 Mini F60 Sensor For Pedestrian Protection PTS Control Unit 9354289
Promo price
€104.95
€89.21
Free delivery - Thu, Nov 06
If paid before 14:00

-40%
Part no. A9075402605
Mercedes W907 Fuse Box Control Unit Module Q2 A9075402605
Promo price
€61.95
€37.17
Free delivery - Thu, Nov 06
If paid before 14:00

-5%
Part no. 8T0915181
Audi A4 RS4 B8 Battery Terminal Negative Cable Loom Harness Wiring 8T0915181
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00

-5%
Part no. 7534704
Mini Cooper One R50 R52 Kabel Generator Starter Anlasser BOSCH 7534704
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00

-5%
Part no. 6938664
BMW E65 E66 Control Unit Front Centre Console Module 6938664
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00

-15%
Part no. 8595865
Wiring BMW F32 F33 F36 LCI N57Z Engine Gearbox Module Wiring Harness 8595865
Promo price
€89.95
€76.46
Free delivery - Thu, Nov 06
If paid before 14:00

-5%
Part no. A0048201910
Mercedes W124 E280 Acceleration Sensor For Belt Locking Retractor A0048201910
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00

Part no. 4F0971589A
Audi S6 C6 Steering Wheel Multifunction Wiring Loom 4F0971589A
€23.95
Free delivery - Thu, Nov 06
If paid before 14:00

-15%
Part no. A4479063000
Mercedes Vito W447 Heater Blower Motor Fan Resistor A4479063000
Promo price
€51.95
€44.16
Free delivery - Thu, Nov 06
If paid before 14:00

-40%
Part no. 9289256
BMW X3 F25 CIC Sat Nav Professional Infotainment Radio Player Head Unit 9289256
Promo price
€284.95
€170.97
Free delivery - Thu, Nov 06
If paid before 14:00

-40%
Part no. 9868383
BMW F20 F21 F30 F31 F32 Body Control Comfort Module Unit FEM ECU LR01 9868383
Promo price
€89.95
€53.97
Free delivery - Thu, Nov 06
If paid before 14:00

Part no. 1K0971349GA
Volkswagen VW Golf Mk6 1.6 TDI Alternator Cable Wiring Harness Loom 1K0971349GA
€23.95
Free delivery - Thu, Nov 06
If paid before 14:00

-5%
Part no. A1699000700
Mercedes A B Class W169 W245 Door Control Module Front Right O/S A1699000700
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00

-15%
Part no. A2059067200-1
Mercedes W205 S205 W213 Fuse Box Front Relay Control Unit Module A2059067200
Promo price
€28.95
€24.61
Free delivery - Thu, Nov 06
If paid before 14:00

-40%
Part no. A2749003900
Mercedes Vito W447 Electronic Control Unit Module ECU A2749003900
Promo price
€137.95
€82.77
Free delivery - Thu, Nov 06
If paid before 14:00

-5%
Part no. N000000004325-1
Mercedes W169 W204 W211 C219 Replacement Fuse Kit Set N000000004325
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00

-15%
Part no. 9196669
CD Changer 6 Disc BMW E81 E87 E90 E91 E92 Without Magazine 9196669
Promo price
€32.95
€28.01
Free delivery - Thu, Nov 06
If paid before 14:00

-40%
Part no. 7577068-2
BMW E90 E91 E92 N52N 325i 218HP Engine ECU Kit DME 7577068 CAS3 Key Automatic
Promo price
€427.95
€256.77
Free delivery - Thu, Nov 06
If paid before 14:00

-5%
Part no. 3412574
BMW X3 Series E83 Rear Left Right Door N/O/S Wiring Loom Cables 3412574
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00

-5%
Part no. 9162930-WB
BMW E81 E82 E87 E90 E91 Parking Sensor PDC Ultrasonic Bluewater - 896
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00

-40%
Part no. 8606777
BMW F30 F31 320iX N20 184HP Engine Control Unit ECU DME 8606777 Automatic
Promo price
€398.95
€239.37
Free delivery - Thu, Nov 06
If paid before 14:00

-5%
Part no. A9067601204
Mercedes Sprinter W906 Front Left Door N/S Handle Bowden Pull Cable A9067601204
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00

-40%
Part no. A1775405520
Mercedes W177 Front Door Harness Loom Cable Wiring Left Right N/O/S A1775405520
Promo price
€56.95
€34.17
Free delivery - Thu, Nov 06
If paid before 14:00

-5%
Part no. A0025407097-1
Mercedes W221 Air Pump Valve Pressure Electric Change Over Sensor A0025407097
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00

-5%
Part no. A2219007701
Mercedes W221 Door Module Rear Right Left N/O/S Control Unit A2219007701
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00

-5%
Part no. 504092575
Iveco Daily 3 Electrical Wire Earth Cable Battery Power Wiring 504092575
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00

-5%
Part no. A2129009505
Mercedes W212 PDC Parking Distance Control Unit Module Sensor A2129009505
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00

-40%
Part no. 9395949-1
Radio Player Mini F54 F55 F56 Stereo Head Unit Module Alpine 9395949
Promo price
€142.95
€85.77
Free delivery - Thu, Nov 06
If paid before 14:00

-15%
Part no. 9262752-1
BMW F20 F21 F22 Central Information Display Screen 6,5" Control Unit 9262752
Promo price
€28.95
€24.61
Free delivery - Thu, Nov 06
If paid before 14:00

-5%
Part no. 9114215
BMW 5 Series E60 E60N E61 E61N LCI Airbag ECU Control Unit Module
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00

-5%
Part no. 7835123
BMW E60 E61 LCI M5 E63 M6 Wiring Harness Air Conditioning Compressor
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00

-5%
Part no. 8K0959793E
Audi A4 B8 Door Module Front Drive Side Control Unit ECU 8K0959793E
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00

-5%
Part no. 6799659
BMW F10 F11 ICM Module Integrated Chassis Management QL ES Control Unit 6799659
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00

-5%
Part no. 6781575-1
YAW Rate Sensor BMW E81 E87 E90 E91 Accelerator Speed Module 6781575
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00

-15%
Part no. A1715409245
Mercedes SLK R171 Gateway Control Unit Gateway Module ECU A1715409245
Promo price
€37.95
€32.26
Free delivery - Thu, Nov 06
If paid before 14:00

-15%
Part no. 7457873
BMW F20 F21 F30 LCI Headlight Control Unit Module FLE2 7457873
Promo price
€94.95
€80.71
Free delivery - Thu, Nov 06
If paid before 14:00

-15%
Part no. BK3D18D815BE-1
Ford Transit MK8 Radio Stereo Audio USB Head Unit Panel BK3D-18D815-BE
Promo price
€28.95
€24.61
Free delivery - Thu, Nov 06
If paid before 14:00

-40%
Part no. A2139009406
Mercedes W213 Display Screen Information Navigation Dashboard A2139009406
Promo price
€66.95
€40.17
Free delivery - Thu, Nov 06
If paid before 14:00

Part no. 8513250-3
BMW F10 F11 520d Diesel N47N 184HP Engine ECU Kit DDE 8513250 CAS4 Key Automatic
€203.95
Free delivery - Thu, Nov 06
If paid before 14:00

Part no. 9268710-1
BMW F01 Display Screen On-Board Central Information Monitor 10,25" 9241819
€32.95
Free delivery - Thu, Nov 06
If paid before 14:00

-40%
Part no. A0009009639
Mercedes EQA350 H243 4matic DC Current Charge Connection Module OBL + BR293
Promo price
€1,044.95
€626.97
Free delivery - Thu, Nov 06
If paid before 14:00

-15%
Part no. BK2T18D815GD
Ford Transit Custom MK8 Radio Stereo Audio USB Head Unit Panel BK2T18D815GD
Promo price
€56.95
€48.41
Free delivery - Thu, Nov 06
If paid before 14:00

-5%
Part no. 4F0907280E
Audi Q7 4L On Board Power Supply Control Module Unit ECU 4F0907280E
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00

-40%
Part no. 8512047-4
BMW E90 E91 LCI N47N 320d 184HP Engine Control Unit ECU DDE 8512047 Automatic
Promo price
€56.95
€34.17
Free delivery - Thu, Nov 06
If paid before 14:00

Part no. 02E911023T
Seat Leon 5F Engine Starter Motor 2.0 TDI Diesel 02E911023T
€32.95
Free delivery - Thu, Nov 06
If paid before 14:00

-40%
Part no. 03C903024F
Alternator Audi A3 8P VW Passat B7 Engine Generator 1.4 TSI 03C903024F
Promo price
€94.95
€56.97
Free delivery - Thu, Nov 06
If paid before 14:00

-40%
Part no. 8573260-5
ECU Kit BMW F20 F21 116d Diesel N47N 116HP DDE 8573260 Key FEM Lock Manual
Promo price
€308.95
€185.37
Free delivery - Thu, Nov 06
If paid before 14:00

-15%
Part no. 6878191
Air Module BMW F01 F02 LCI F10 F11 F13 ECU ICM Control Unit 6878191
Product currently unavailable

-15%
Part no. 8W0035192E
Audi A4 B9 Multimedia Stereo Sat Nav SD CD Player Radio Head Unit 8W0035192E
Promo price
€284.95
€242.21
Free delivery - Thu, Nov 06
If paid before 14:00

-5%
Part no. A0055422618
Rate Sensor Mercedes W212 ESP Yaw Rotation Control Unit Module A0055422618
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00

-40%
Part no. A6549009600-3
Mercedes GLC 220d X253 654.920 194HP 4Matic Engine Control Unit A6549009600
Promo price
€189.95
€113.97
Free delivery - Thu, Nov 06
If paid before 14:00

-15%
Part no. 6R0971349BK
Audi A1 8X 1.4 TFSI CAXA Alternator Wiring Harness Cable Loom 6R0971349BK
Promo price
€28.95
€24.61
Free delivery - Thu, Nov 06
If paid before 14:00

-15%
Part no. 9222071
BMW F07 BCM Body Control Module Unit Controller 9222071
Promo price
€47.95
€40.76
Free delivery - Thu, Nov 06
If paid before 14:00

-5%
Part no. 8T0959795F
Audi A5 8F Window Lifter Module Control Unit Rear Left Right N/O/S 8T0959795F
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00

-5%
Part no. A0009004802
Air Module Mercedes W639 W906 ECU Control Unit Crash Impact A0009004802
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00

-5%
Part no. 9878658
BMW F20 F30 F31 LCI Mini F55 F56 Compensator LTE UK Control Unit Module 9878658
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00

-15%
Part no. 6826326
BMW F40 G05 G20 G30 Shark Roof Fin Antenna Aerial Module Unit 6826326
Promo price
€66.95
€56.91
Free delivery - Thu, Nov 06
If paid before 14:00

-5%
Part no. 9145401
BMW 5 Series E60 E60N E61 E61N LCI Airbag ECU Control Unit Module
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00

-40%
Part no. 9243637
BMW X3 F25 Rear Bumper PDC Wiring Loom Parking Sensor Cable Harness 9243637
Promo price
€66.95
€40.17
Free delivery - Thu, Nov 06
If paid before 14:00

-5%
Part no. 6960803
BMW E65 E66 E67 Control Unit Voice Input System Module 6960803
Promo price
€23.95
€22.75
Free delivery - Thu, Nov 06
If paid before 14:00

-40%
Part no. 7565300-18
BMW Z4 E85 2.0 N46 150HP Engine Module ECU Kit DME 7565300 + EWS + Key Manual
Promo price
€303.95
€182.37
Free delivery - Thu, Nov 06
If paid before 14:00

-15%
Part no. A0009821212
Energy Distributor Mercedes W205 W212 W213 W906 Control Unit Module A0009821212
Promo price
€28.95
€24.61
Free delivery - Thu, Nov 06
If paid before 14:00

-40%
Part no. A0003427200
Mercedes EQA350 H243 4matic Electric Voltage Converter Module A0003427200
Promo price
€408.95
€245.37
Free delivery - Thu, Nov 06
If paid before 14:00

-15%
Part no. 9244422
BMW X5 E70 LCI Front Bumper PDC Loom Cables Wiring Set 9244422
Promo price
€37.95
€32.26
Free delivery - Thu, Nov 06
If paid before 14:00
Key components of vehicle electrical systems
Original electrical parts for popular car brands
A car's electrical system is a complex system responsible for many key functions—from engine starting to lighting and on-board electronics. Modern cars are equipped with increasingly advanced electrical solutions that not only improve driving comfort but also enhance safety. At the Global Parts automotive store you will find a wide range of used car parts , such as alternators, starters, batteries, control modules and other automotive electrical systems that perfectly fit BMW , Audi , Mercedes , Volkswagen , Mini and many others.
How does a car's electrical system work?
A car's electrical system is a complex system that consists of several key components that work together to ensure the vehicle's reliable operation:
- Battery accessories – Includes clamps, cables, holders and other components necessary for battery installation and maintenance.
- Electronic control modules and controllers – They control and manage the operation of various vehicle systems, such as the engine, air conditioning and ABS.
- Alternators and generators – Responsible for generating electricity and charging the battery while the engine is running.
- Parts for alternators and generators – Including voltage regulators, brushes and bearings that ensure proper operation of the alternator.
- Starters – Key components of the starting system that enable the engine to be started.
- Starter parts – Including bendixes, rotors and solenoids necessary for the proper operation of the starter.
- Batteries – They store the electrical energy necessary to start the engine and power on-board systems.
- Wires, harnesses and connectors – They transmit energy and electrical signals between various vehicle systems.
- Fuses and fuse boxes – Protect the electrical system against overloads and short circuits.
- Relays – They control the flow of current in individual electrical circuits of the vehicle. A functioning electrical system is the basis for the reliability of your car, regardless of operating conditions.
Key technical parameters of electrical systems
Each of these components has specific technical parameters that determine its compatibility with the vehicle. For example, alternators installed in mid-range cars (e.g., Volkswagen Passat B6) typically have a capacity of 90 A to 140 A, while luxury vehicles (e.g., Mercedes S-Class) require alternators with a capacity exceeding 180 A. Starter motors vary in torque and operating voltage – the standard is 12 V, while 24 V starters are used in heavy-duty vehicles.
Why is it worth taking care of your car's electrical system?
Regular maintenance and replacement of electrical system components is key to reliability and road safety. Faulty components can lead to:
- Problems starting the engine.
- Failure of safety systems such as ABS or airbags.
- Decreased efficiency of on-board equipment, e.g. lighting or air conditioning. At the Global Parts store we offer original used car parts , which have undergone detailed quality tests, ensuring their full functionality.
Symptoms of electrical system disruptions
In practice, electrical faults manifest themselves in a variety of ways. Drivers most often notice: dimming lights when parked, difficulty starting the engine, a voltage drop on the on-board computer, or air conditioning malfunctions. The table below presents typical correlations:
| Symptom | Possible cause | Item to check |
|---|---|---|
| Difficulty starting the engine | Worn out starter or battery | Starter motor, battery |
| Dimming the lights | Inefficient alternator | Alternator, voltage regulator |
| Electric windows not working | Damaged relays or harness | Relays, wires |
How to choose the right parts for your electrical system?
When choosing parts for the electrical system, such as alternators, starters or control modules, it is worth paying attention to:
- Vehicle-specific fit – Every car make and model requires specific specifications. At Global Parts, you'll find parts that perfectly fit BMW , Audi , Mercedes , Volkswagen , Mini, and many more .
- Technical condition – All used parts we offer are thoroughly checked to ensure their reliability.
- Technical parameters – For example, alternators should have appropriate current output, adapted to the needs of your vehicle.
Compatibility and fit
The selection of electrical parts is based primarily on OEM part numbers, but matching them to specific parameters is equally important, including current, voltage, and the number of connector pins. For example, the 120A alternator used in the Audi A4 B7 differs significantly from the 150A version installed in the Audi A6 C6 . Therefore, using manufacturer catalogs or providing the VIN makes finding the right component much easier.
Why choose used electrical parts?
Purchase of used car parts This solution allows you to combine savings with quality. Why choose it?
- Lower costs – Used alternators, starters and other parts are cheaper than new ones, but offer the same high quality.
- Ecology – You support recycling and reduce waste by choosing used car parts .
- Wide range – We offer electrical parts for the most popular car brands, so you can easily find what you need.
How to take care of your car's electrical system?
To ensure your electrical system operates reliably for years, it is worth remembering a few rules:
- Regularly check the battery condition and charge level.
- Take care of your cables and connectors – corrosion or damage can lead to voltage drops and failures.
- Monitor the operation of the alternator and starter – early detection of problems will help avoid more serious breakdowns. If you have any problems, you will find the right car parts at Global Parts that will help restore your vehicle to full working order.
Step-by-step control procedures
- Measure the battery voltage with a multimeter – the resting value should be approximately 12.6 V.
- Check the charging voltage with the engine running – the correct range is 13.8–14.5 V.
- Assess the condition of the wires and terminals – lack of corrosion and a firm seat are essential.
- If in doubt, check the quiescent current consumption – it should not exceed 0.05–0.08 A.
FAQ - Frequently asked questions about electrical systems in cars
| Question | Answer |
|---|---|
| What is a car electrical system? | This is a set of components responsible for powering and controlling all electrical functions in the car – from engine starting to multimedia. |
| What is an alternator for in a car? | The alternator generates electrical current when the engine is running and charges the battery. |
| What is the difference between a starter and an alternator? | The starter motor is used solely to start the engine, while the alternator is responsible for generating energy while driving. |
| How to check if the battery is working? | Just measure its voltage – a healthy battery should have approximately 12.6 V at rest and maintain a voltage above 10 V during cranking. |
| What are the most common symptoms of car electrical failure? | Problems starting the engine, flashing warning lights, power windows not working or dimming lights. |
| Do electrical parts from one model fit another? | Sometimes yes, but the key is to match it by VIN or OEM number – this guarantees compatibility. |
| How often should you check your electrical system? | It is worth performing basic diagnostics (battery, alternator) at least once a year or before a long trip. |
Summary: Automotive electrical systems at Global Parts Automotive Store
Automotive electrical systems are the foundation of the reliability and comfort of every modern vehicle. By choosing the right parts, such as alternators, batteries, and control modules, you can ensure your car's full operational efficiency. The Global Parts automotive store invites you to browse our wide selection of original used car parts . Whether you're looking for car parts for BMW , Audi , Volkswagen , Mercedes, Mini , or others, you'll find them at competitive prices. We strive to ensure every customer finds the right parts for their car, and if you have any questions or concerns about selecting the right components, we're happy to help! Please contact us – we're here to help! For more information and interesting facts, visit our automotive blog .